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Date:   Mon, 20 Sep 2021 10:54:31 -0600
From:   Mathieu Poirier <mathieu.poirier@linaro.org>
To:     "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc:     ohad@wizery.com, bjorn.andersson@linaro.org,
        o.rempel@pengutronix.de, shawnguo@kernel.org,
        s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com,
        linux-imx@nxp.com, linux-remoteproc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        aisheng.dong@nxp.com, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH V4 2/6] remoteproc: fix the wrong default value of
 is_iomem
Message-ID: <20210920165431.GB2023964@p14s>
References: <20210910090621.3073540-1-peng.fan@oss.nxp.com>
 <20210910090621.3073540-3-peng.fan@oss.nxp.com>
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In-Reply-To: <20210910090621.3073540-3-peng.fan@oss.nxp.com>
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On Fri, Sep 10, 2021 at 05:06:17PM +0800, Peng Fan (OSS) wrote:
> From: Dong Aisheng <aisheng.dong@nxp.com>
> 
> Currently the is_iomem is a random value in the stack which may
> be default to true even on those platforms that not use iomem to
> store firmware.
> 
> Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
> Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
> Fixes: 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va")
> Reviewed-and-tested-by: Peng Fan <peng.fan@nxp.com>
> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/remoteproc/remoteproc_coredump.c   | 2 +-
>  drivers/remoteproc/remoteproc_elf_loader.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 

Applied

> diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
> index aee657cc08c6a..c892f433a323e 100644
> --- a/drivers/remoteproc/remoteproc_coredump.c
> +++ b/drivers/remoteproc/remoteproc_coredump.c
> @@ -152,8 +152,8 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
>  			       struct rproc_dump_segment *segment,
>  			       size_t offset, size_t size)
>  {
> +	bool is_iomem = false;
>  	void *ptr;
> -	bool is_iomem;
>  
>  	if (segment->dump) {
>  		segment->dump(rproc, segment, dest, offset, size);
> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
> index 44e7f9308f4bc..d635d19a5aa8a 100644
> --- a/drivers/remoteproc/remoteproc_elf_loader.c
> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
> @@ -178,8 +178,8 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
>  		u64 filesz = elf_phdr_get_p_filesz(class, phdr);
>  		u64 offset = elf_phdr_get_p_offset(class, phdr);
>  		u32 type = elf_phdr_get_p_type(class, phdr);
> +		bool is_iomem = false;
>  		void *ptr;
> -		bool is_iomem;
>  
>  		if (type != PT_LOAD)
>  			continue;
> -- 
> 2.25.1
>